HardieWrap® Weather Barrier

HardieWrap® weather barrier is an innovative, higher performing weather barrier made by James Hardie, maker of America's #1 brand of siding. HardieWrap weather barrier provides a balance of water resistance and breathability, allowing moisture (water vapor) from inside your building to escape so the area within the wall stays dry.

HardieWrap Weather Barrier

Thickness: 11 mil

Basis Weight: 19.4 lb/1000 sq ft

Sizes: 3' x 195', 9' x 100', 9' x 150', 10' x 100', 10' x 150'

Composition: Non-woven, non-perforated polyolefin

Film: MicroTech™ Coating with micropores

UV Stability: Up to 180 days

Water Holdout (AATCC127): 325 cm

Breathability/Water Vapor Permeance (ASTM E-96A): 15 perms

Air Resistance (TAPPI T-460): >1800 sec/100 cc

Tear Strength (ASTM D1117): 15/18 lbs/in

Why Use HardieWrap?

Reduce water damage and mold potential

Increase your building's energy efficiency

Allow walls to dry

Keep humidity out

Where To Use HardieWrap

Under any cladding*: fiber cement, wood, stucco, brick

Repair & Remodel

New Construction

* See HardieWrap Installation Guide for Details.

HardieWrap Outperforms

Water Resistance

Superior Water Hold Out

Air Resistance

Increased Resistance to Air Penetration

Breathability

Breaths Effectively, Holds Out Humidity

HardieWrap Comparison Chart

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